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Carlsbad

$49+ Cheap flights from San Francisco (SFO) to Carlsbad, CA, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LAX
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Carlsbad are usually found in January or February, booked 75 days in advance, depart on a Friday or Thursday and return on a Friday

Find flight deals from San Francisco to Carlsbad

Cheapest flights from San Francisco to Carlsbad
Explore the most affordable flight options available from San Francisco to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This Super.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:30 pmSFO - LAX
Nonstop1h 32mFrontier
Tue 12/97:35 pmLAX - SFO
Nonstop1h 36mFrontier
Deal found 11/11$78
This Frontier deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:10 pmSFO - LAX
Nonstop1h 31mFrontier
Sun 12/75:55 pmLAX - SFO
Nonstop1h 31mFrontier
Deal found 11/10$79
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:10 pmSFO - LAX
Nonstop1h 31mFrontier
Thu 12/186:58 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/12$80
This FlightHub deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:10 pmSFO - LAX
Nonstop1h 31mFrontier
Fri 12/266:58 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/11$81
This Super.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:10 pmSFO - LAX
Nonstop1h 31mFrontier
Thu 12/43:30 pmLAX - SFO
1 stop6h 33mFrontier
Deal found 11/10$83
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amSFO - LAX
1 stop14h 05mFrontier
Thu 12/117:35 pmLAX - SFO
Nonstop1h 36mFrontier
Deal found 11/12$84
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amSFO - LAX
1 stop14h 05mFrontier
Fri 12/196:58 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/12$85
This Frontier deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:43 amSFO - LAX
1 stop11h 22mFrontier
Mon 12/156:21 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/12$86
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:30 pmSFO - LAX
Nonstop1h 32mFrontier
Mon 12/86:21 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/12$87
This Frontier deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:10 pmSFO - LAX
Nonstop1h 31mFrontier
Tue 12/236:58 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/10$88
This Mytrip deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:30 pmSFO - LAX
Nonstop1h 29mFrontier
Wed 12/246:58 pmLAX - SFO
Nonstop1h 32mFrontier
Deal found 11/11$89

Cheap flight deals from San Francisco to Carlsbad

Keep the following information in mind while searching for San Francisco to Carlsbad flight deals. Data was last updated November 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$78
(Super.com)

One-way from

$49
(CheapOair)

Popular in

October

Cheapest in

January

Average price

$177
Provider with most accurate pricing for San Francisco-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Los Angeles flights.
Search Deals
From San Francisco to Carlsbad
Search Deals
One-way flight from San Francisco to Carlsbad
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Carlsbad that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from San Francisco to Carlsbad that are best for you.

Fly from

San Francisco

Fly to

Carlsbad

Route

Depart

Return

Price

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 12/13

6:55 pm-8:25 pm

Nonstop1h 30m

Los Angeles

Mon 12/15

4:20 pm-5:40 pm

Nonstop1h 20m

$117

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 1/31

7:25 am-8:50 am

Nonstop1h 25m

Los Angeles

Sat 1/31

1:30 pm-8:05 pm

1 stop6h 35m

$127

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sun 2/1

9:54 pm-11:22 pm

Nonstop1h 28m

Los Angeles

Sat 2/7

7:55 pm-9:25 pm

Nonstop1h 30m

$131

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 12/9

12:45 pm-2:10 pm

Nonstop1h 25m

Los Angeles

Tue 12/16

1:10 pm-9:50 pm

2 stops8h 40m

$132

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 12/9

7:10 pm-8:45 pm

Nonstop1h 35m

Los Angeles

Fri 12/12

5:00 pm-10:55 pm

1 stop5h 55m

$142

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 12/4

5:20 am-1:55 pm

2 stops8h 35m

Los Angeles

Sat 12/6

5:30 am-10:00 am

1 stop4h 30m

$167

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Mon 12/15

9:00 am-3:20 pm

1 stop6h 20m

Los Angeles

Mon 12/15

5:26 pm-6:53 pm

Nonstop1h 27m

$171

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 1/23

5:05 am-11:05 am

1 stop6h 00m

Los Angeles

Sat 1/24

3:40 pm-8:05 pm

1 stop4h 25m

$174

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 1/17

1:00 pm-2:32 pm

Nonstop1h 32m

$59

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 12/9

9:10 am-10:47 am

Nonstop1h 37m

$59

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Francisco to Carlsbad

Have a flexible travel schedule? Discover the best time to fly to Carlsbad from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Carlsbad

How far ahead should I book a flight from San Francisco to Carlsbad?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Carlsbad. Price data was last updated on November 7, 2025.

The best time to book flights from San Francisco to Carlsbad is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Carlsbad?

Currently, December is the cheapest month in which you can book a flight from San Francisco to Carlsbad (average of $22). Flying from San Francisco to Carlsbad in September is currently the most expensive (average of $60). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to C4D?

Find hourly flight availability from San Francisco to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

When flying from San Francisco to Carlsbad, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 16% versus a flight in the morning.

What is the cheapest day to fly from San Francisco to Carlsbad?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Carlsbad. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Carlsbad flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Carlsbad

Explore weekly flight availability from San Francisco to Carlsbad. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 12, 2025.

The most flights from SFO to C4D are scheduled on a Monday (160 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (74 on average).

Reviews of airlines servicing Carlsbad

Get insights into the airlines that provide service to Carlsbad. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Carlsbad. Reviews last updated November 12, 2025.
Read through reviews of airlines operating flights from San Francisco to Carlsbad, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,275 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,275 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
9,015 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,113 reviews
Alaska Airlines
8.0
Very good
11,275 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Carlsbad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Carlsbad?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Carlsbad. You should not have trouble finding flights to Carlsbad from San Francisco; the airport handles an average of 129 outbound flights to Carlsbad per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the San Francisco airport to Carlsbad. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How popular is this San Francisco to Carlsbad flight route?

    Within the past month, 539 users have taken a look at flights from San Francisco to Carlsbad.

  • How long is the flight from San Francisco to Carlsbad?

    Departing from San Francisco to Carlsbad will take you 1h 25m. There are 338 mi between San Francisco and Carlsbad. Most flights are nonstop.

  • What are the cheapest airlines to fly from San Francisco to Carlsbad one-way?

    One-way options have recently been found by users for as low as $59 on Delta. Other airlines that offer cheap prices include United Airlines from $59 and Alaska Airlines from $59 one-way.

  • What are the most reliable airlines from San Francisco to Carlsbad?

    No one likes to see their flight delayed. When booking a flight from San Francisco to Carlsbad consider choosing Asiana Airlines (93%), Avianca (83%) or Air China (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco to Carlsbad?

    Looking for the cheapest flight from San Francisco to Carlsbad? While on average our users pay $848, our data indicates the cheapest price to be $48. The most popular route (San Francisco - Los Angeles), is priced around $49.

  • Can I find deals for flights from San Francisco to Carlsbad that include hotel bookings?

    Yes. In addition to deals on San Francisco to Carlsbad flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Carlsbad?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Carlsbad.

  • Can I find deals for business class flights from San Francisco to Carlsbad?

    Yes. Cheapflights offers flight deals from San Francisco to Carlsbad by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Carlsbad?

    Currently, December is the cheapest month in which you can book a flight from San Francisco to Carlsbad (average of $22). Flying from San Francisco to Carlsbad in September is currently the most expensive (average of $60). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 8 airlines flying from San Francisco to Carlsbad

Discover the top 8 airlines that operate flights from San Francisco to Carlsbad. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$29Average$93FlexibilityNo cancel feeOn-time65%
FrontierCheapest$36Average$121FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$38Average$180FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$57Average$211FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$58Average$204FlexibilityNo cancel feeOn-time75%
DeltaCheapest$58Average$197FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$77Average$277FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$117Average$285FlexibilityNo cancel feeOn-time71%

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